变速风力发电机提供调频备用容量研究

被引：25

作者：

薛迎成

邰能灵

宋凯

熊宁

机构：

[1] 上海交通大学电气工程系

来源：

电力自动化设备 | 2010年 / 30卷 / 08期

关键词：

风能发电; 变速风力发电机; 卸载运行; 频率控制; 一次调频备用;

D O I：

暂无

中图分类号：

TM315 [风力发电机];

学科分类号：

摘要：

提出一种新的调频控制策略,它利用变速风力发电机快速功率控制能力主动提供一次调频备用容量。该策略通过风力发电机的卸载运行,即使在风速大范围变化,也能够确保一次调频备用容量。在低风速时风电机组作为飞轮(旋转备用)电机运行,利用存储在涡轮叶片的旋转能量提供短期有功电力支持;在中风速时根据卸负荷最佳功率提取曲线运行风力发电机,建立电力储备;在高风速时采用桨距控制或修改转速设定点保持在满负荷时合适的电力储备。仿真实验证明该策略能有效地控制备用容量,实现变速风力发电机对系统频率的控制。

引用

页码：75 / 80

页数：6

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